Answer:
the value of 2 in 0.812 is 2 thousandths/0.002
0.002 = 2/1000
0.812 = 812/1000
8*(n+6)=80
distribute
8n+48 = 80
subtract 48 from each side
8n = 32
divide by 8
n=4
Answer: x smaller than or equal to -4
X=-.5, it’s less than 0, and concave up & increasing in this situation are the same.
